| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2022 | Apr 1, 2022 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2021 | May 10, 2021 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2020 | May 6, 2020 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2019 | May 8, 2019 | 001-38471 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 22, 2018 | Jun 12, 2018 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 11, 2018 | Jun 7, 2018 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 10, 2018 | May 8, 2018 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 12, 2018 | Mar 8, 2018 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 11, 2017 | Dec 7, 2017 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 11, 2017 | Sep 7, 2017 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 7, 2017 | Jun 1, 2017 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2017 | May 9, 2017 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 16, 2016 | Feb 15, 2016 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 18, 2015 | Feb 16, 2015 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 21, 2014 | Feb 19, 2014 | 001-12933 |